Hi Nino
all tests were made with rf power set to 5 watts.
The txco is only installed in the FT-817ND. TX-500 and KX2 don't have txco.
Never looked for the power consumption, but it is a great idea for next tim :-)
I hope you will get your rig soon!
73, Stephan
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DF6PA
Licensed since 1978
TX-500, KX2, IC-703, FT-817ND
DF6PA